Skip to main content
Addgene
Showing: 321 - 340 of 748 results
  1. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

    Type
    Blog Post
    ...You're OK. However, if you fuse your protein of interest (POI) to GFP to study the protein's behavior in...reticulum (OSER) whorls. 2)A dimerizing protein of interest fused to a dimerizing FP has potential to form...protein concentrations. An imperfect solution is to restrict imaging analysis to cells expressing the lowest...Department of Anatomy and Structural Biology. His interests include the quality control of secretory proteins...
  2. Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards

    Type
    Blog Post
    ...initial reversal drive cannot restore the exact original sequence, it can restore the original protein-coding...using a recoding strategy; a subsequent drive can restore the wild-type sequence (save for the residual sgRNAs...immunizes it against the first drive. Laboratories interested in building candidate gene drives intended for...
  3. Ligation Independent Cloning

    Type
    Protocol
    ...Empty vectors for LIC typically employ type II restriction enzymes (e.g. BsaI), which cut at a specified...overhangs with a single enzyme, and remove the restriction sites from the final product (no "cloning scars...suggested leader sequence fused to your gene of interest, in frame with the start codon or tag sequences...sequence and sacB counter-selection marker (see our restriction digest protocol ). After the digest is complete...corresponding to the first base removed by the restriction digest to create the free 5' end of the cut vector...
  4. CRISPR 101: Ribonucleoprotein (RNP) Delivery

    Type
    Blog Post
    ...guide RNA (gRNA) targeting your genomic site of interest. This is commonly performed by transfecting cells...complex with a targeting gRNA, to your cells of interest. Cas9 RNPs are capable of cleaving genomic targets...CRISPR components to their experimental systems of interest. Using this method can alleviate many issues that...Hempstead is a Senior Scientist at Addgene.  Andrew's interests include genome engineering and microbiology.   ...
  5. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    ...fifth repeat Nobel Prize winner in history. Interestingly, he also adds to the disproportionately large...allowing every student to work on any topic of interest. The result was a positive experience for the ...generate new knowledge that will be of genuine interest to other researchers in their field. Indeed, sharing...Duboue et al., 2022), as they increase student interest in scientific career paths while also broadening...
  6. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    ... interaction trap), genes encoding proteins of interest(POI’s) are fused to TAs and DBDs (see Figure 2a...those cells where binding between the proteins of interest has occurred. Although the original Y2H systems...way, proteins that interact with a molecule of interest (the ‘bait’) can be ‘fished out’ for further study... random genomic fragments from the organism of interest, or a defined cDNA library (e.g. the entire proteome...
  7. Plasmids 101: Protein tags

    Type
    Blog Post
    ...technical challenges depending on their protein of interest. After several decades of trying to address these... protein? It is not generally in a cell’s best interest to overexpress a protein. Energy and cellular ...many tags and fusion proteins to your protein of interest would eventually get ridiculous (you generally...Life Sciences. Addgene pages and blog posts of interest: Which Fluorescent Protein Should I Use? Plasmids...
  8. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    ...but there are few genetic tools currently for terrestrial frogs. Cnidarian-Dinoflagellate symbionts (Virginia...food. They have chemical pathways generating interesting drug-like compounds especially cardenolides which...traits with good genetic mapping morphology and interesting behaviors. There is diversity in the social bonds...from other plants and are unusual enough to be interesting biologically. They have economic importance as...
  9. Antibodies 101: Reading a Flow Plot

    Type
    Blog Post
    ...If you’re interested in studying immunology or subpopulations of cells, you’ll soon find yourself encountering...markers to identify your specific cell population of interest. The markers you use, and the order you use them...like in Figure 3 above, until the population of interest has been successfully identified and isolated..../doi.org/10.5500/wjt.v8.i1.23 Jhunjhunwala, S., Aresta-Dasilva, S., Tang, K., Alvarez, D., Webber, M.,...
  10. Plasmids 101: E. coli Strains for Protein Expression

    Type
    Blog Post
    ...inactivated native restriction/methylation system. This means the strain can neither restrict nor methylate...expression of T7 RNAP from the genome; does not restrict methylated DNA fhuA2 lacZ::T7 gene1 [lon] ompT...RNAP is then available to transcribe the gene of interest from a T7 promoter on the plasmid. Many commercial...
  11. Protocol - How to Ligate Plasmid DNA

    Type
    Protocol
    ...also like... Plasmid Cloning by Restriction Enzyme Digest Restriction Digest of Plasmid DNA Bacterial ...that have been generated by restriction enzyme digestion . Most restriction enzymes digest DNA asymmetrically...connecting the insert DNA (gene or fragment of interest) into a compatibly digested vector backbone. This...
  12. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    ...is then used to detect the amplified region of interest. Cas13 uses a complementary crRNA sequence to ...based detection of SARS-CoV-2 genetic material (CREST) Sensitivity: 10 copies of RNA per microliter Time...Resources Many thanks to our guest bloggers Shravanti Surest from Iowa State University. Shravanti Suresh is...Sashital Lab, Iowa State University. She is actively interested in science communication and enabling access ...
  13. Antibodies 101: Introduction to Immunofluorescence

    Type
    Blog Post
    ... ask questions like: “Where does my protein of interest live within a cell,” “Does this disease change...Blotting, but it allows you to visualize a target of interest within an intact cell, tissue, or, in some cases...IF, the primary antibody targets the antigen of interest but is not attached to a fluorescent molecule,...products that all claim to target your protein of interest. Thankfully, there are a number of websites compiling...
  14. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    ...screens to identify genes involved in a phenotype of interest. This blog post will discuss differences between...target sites occur ~1 in every 8 nucleotides, restricting gRNAs to 5 – 65% of the protein coding region... the lab. Importantly, for any modification of interest, it would be unwise to make conclusions on the...experimental strategy is clear: for any gene of interest, one should require that multiple gRNAs of different...
  15. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    ...far away brain regions expressing your gene of interest. This can cause issues in tracing studies, where...Promoters The promoter controls how the gene of interest will be expressed; it can be ubiquitous, cell-...particles per volume required to express the gene of interest, in the cells being studied, at an adequate level...Kügler, S. (2017). A MicroRNA124 Target Sequence Restores Astrocyte Specificity of gfaABC1D-Driven Transgene...
  16. RNA Interference in Plant Biology: New Tools for an Old Favorite

    Type
    Blog Post
    ...confidently conclude the function of a gene of interest. Tools for RNAi Arguably the greatest advantage...required dsRNA complementary to your gene or genes of interest to trigger RNAi activation. A typical RNAi experiment...that contains sequence against your gene(s) of interest and the reporter. This approach greatly enhances...coupling silencing of APT and any gene target of interest, only organisms that are actively silencing to...
  17. Addgene’s Top 10 Blog Posts from 2014

    Type
    Blog Post
    ...comments. Additionally we’ve seen what topics are of interest to you, our readers. Below I’ve compiled a list... from the past year. A quick glance shows that interest in CRISPR continues to grow as the genome editing...community, so email us at [email protected] if you are interested. Addgene's Most Popular Posts of 2014 How...
  18. Video Library

    Type
    Protocol
    ...Diagnostic Restriction Digest Verify a plasmid using restriction enzymes Diagnostic Restriction Digest Protocol...technique for molecular cloning, such as PCR- or restriction enzyme-based cloning. Purifying DNA from an Agarose...
  19. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    ...N-terminal tags, coding sequences of the gene of interest, C-terminal tags, plant terminators and resistance...component of Golden Gate and GreenGate are type IIS restriction endonucleases. They are like other endonucleases...their own lab: be very careful with the type IIS restriction endonuclease of choice, BsaI, which can be very...
  20. Top Requested AAV of 2017: pmSyn1-EBFP-CRE

    Type
    Blog Post
    ...gene of interest in neurons. This ability to be paired with any Cre-controlled gene of interest makes pmSyn-BFP-Cre...may want to further control where your gene of interest is expressed.  A cell-type specific Cre can provide...
Showing: 321 - 340 of 748 results